@Override public void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); memoDb = getActivity() .openOrCreateDatabase(DBConstant.DB_FILENAME, getActivity().MODE_PRIVATE, null); campusDb = getActivity() .openOrCreateDatabase(DBConstant.CAMPUSDBFILENAME, getActivity().MODE_PRIVATE, null); timService = TimeService.getInstance(); campusService = new CampusService(campusDb); }